128680480

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47309}}^1$

素因数の和:47341

約数の個数: 48

約数和(自身を含む): 321897240

約数和(自身を除く): 193216760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 47309, 94618, 189236, 236545, 378472, 473090, 756944, 804253, 946180, 1513888, 1608506, 1892360, 3217012, 3784720, 4021265, 6434024, 7569440, 8042530, 12868048, 16085060, 25736096, 32170120, 64340240, 128680480]

約数ペア:

[(1, 128680480), (2, 64340240), (4, 32170120), (5, 25736096), (8, 16085060), (10, 12868048), (16, 8042530), (17, 7569440), (20, 6434024), (32, 4021265), (34, 3784720), (40, 3217012), (68, 1892360), (80, 1608506), (85, 1513888), (136, 946180), (160, 804253), (170, 756944), (272, 473090), (340, 378472), (544, 236545), (680, 189236), (1360, 94618), (2720, 47309)]